Slope of the line
(8-6)/(2-4)
2/-2
-1
General equation of the line
y = mx + c
m=-1
so
y = -x + c
if it passes through (2,8)
8 = (-1*2) + c
8 = -2 + c
c = 10
so the equation is
y = -x + 10
<span>x+5=16
Subtract 5 on both sides to cancel out the positive 5 and to get the variable x on one side alone.
Final Answer: x= 11</span>
The better deal will be the one that costs the least per diaper. With this in mind, start by calculating the individual diaper cost for both deals.
—30 diapers for $4.25
$4.25/30
≈$0.14 per diaper
—125 diapers for $24.99
$24.99/125
≈$0.20 per diaper
Therefore, the deal with 30 diapers is the better buy.
Answer:
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